Coffee doesn’t appear to be cutting it these days.A growing thirst for caffeinated “energy” drinks, which include the likes of Red Bull, Monster, and Rockstar, has spurred a heart-thumping surge in sales.

For the past 10 months, children in Indonesia’s Banten province have been commuting to school on narrow bamboo rafts—along a river best known to tourists for its whitewater rapids—because local authorities still haven’t fixed a bridge that collapsed in January in a flood.